CN103410198A - Air pressure tank - Google Patents
Air pressure tank Download PDFInfo
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- CN103410198A CN103410198A CN2013102341627A CN201310234162A CN103410198A CN 103410198 A CN103410198 A CN 103410198A CN 2013102341627 A CN2013102341627 A CN 2013102341627A CN 201310234162 A CN201310234162 A CN 201310234162A CN 103410198 A CN103410198 A CN 103410198A
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- shell
- conduit
- aqueduct
- air pressure
- pressure tank
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Abstract
The invention provides an air pressure tank, and relates to a device for adjusting water pressure in a pipeline. The air pressure tank comprises a hard water diversion pipe and an outer shell. The periphery of the outer flange at the upper end of the water diversion pipe is connected with an opening of the outer shell in an airtight mode. A hard cylindrical guide pipe is arranged in an inner cavity of the outer shell, the opening end of the guide pipe is connected with the outer flange of the upper end of the water diversion pipe, an air hole is formed in the bottom wall of the guide pipe, water through holes are formed at positions, close to the opening end, of the side wall of the guide pipe, and a floating ball is installed in the guide pipe in an up-and-down sliding mode. Pressure gas is filled between the inner cavity of the outer shell and the outer surface of the guide pipe. The air pressure tank is low in cost, free of maintenance and capable of being widely applied to various conventional water supply and drainage devices.
Description
Technical field
The present invention relates to a kind of device of adjusting hydraulic pressure in pipeline.
Background technology
Ducted hydraulic pressure due to draining valve open opening and closing, can fluctuate.When draining valve cuts out suddenly, can because of the violent change of hydraulic pressure, cause the phenomenon of pinking, serious pinking meeting makes pipeline breaking.In order to address this problem, people install air pressure tank on pipeline, adjust hydraulic pressure in pipeline with air pressure tank.The structure of existing air pressure tank, as shown in Figure 1, it is comprised of aqueduct 4, shell 5 and rubber bag 6 three parts.The aqueduct 4 of hard is arranged on via hole 11 places on pipeline 1 tube wall, is connected with the inner chamber 12 of pipeline 1.The main body 61 of rubber bag 6 is in the shell 5 of opening 51 plugs at hard of shell 5 bottoms, and the flange plate 62 of rubber bag 6 sacks rides over opening 51 outsides of shell 5, and docks with the outward flange 41 of aqueduct 4 upper ends, outer end.A plurality of screws pass the diapire of opening 51 peripheries of flange plate 62 on aqueduct 4 flange 41, rubber bag 6 and shell 5, and they closely are connected.Between the inner chamber 52 of shell 5 and rubber bag 6 main body 61 external surfaces, be full of pressed gas.Water 3 in pipeline 1 can enter the inner chamber 63 of rubber bag 6 main bodys 61 through aqueduct 4, the sidewall of rubber bag 6 main bodys 61 is outwards strutted, until the hydraulic pressure in rubber bag 6 main body 61 inner chambers 62 and the air pressure balance in rubber bag 6 main body 61 outsides.Draining valve 2 on opening conduits 1, water 3 in pipeline 1 discharges, in pipeline 1, hydraulic pressure reduces, and the gas pressure in rubber bag 6 main body 61 outsides inwardly shrinks rubber bag 6 main bodys 61, and the water 3 in rubber bag 6 main body 61 inner chambers 62 enters in the inner chamber 12 of pipeline 1 through aqueduct 4.In case draining valve 2 cuts out suddenly, in pipeline 1 inner chamber 12, hydraulic pressure has the trend that violent change occurs, and the water 3 in rubber bag 6 main body 61 inner chambers 62 is outwards pressed rubber bag 6 main bodys 61 in top, makes it expansion; Thereby eliminated the violent change of hydraulic pressure in pipeline 1, prevented from pinking occurring in pipeline 1.
But, the ability of rapid distortion will be arranged due to the main body 61 of rubber bag 6 in this air pressure tank, can only make of raw rubber.And the raw rubber goods very easily break, cause the application life of rubber bag 6 short.During original the installation by the main body of rubber bag 6 61 when opening 51 is filled in the inner chamber 52 of shell 5, just rubber bag 6 main bodys 61 carefully need to be folded up, fill at leisure, whole operation is very difficult; And change rubber bag 6, the main body 61 that rubber bag 6 will be broken is taken out from the opening 51 of shell 5, owing to can't carrying out folding operation corresponding when filling in, take out rubber bag 6 main bodys 61 just more difficult.While making the larger rubber bag 6 of physical dimension, need the above forcing press of larger mould and hundreds of ton; Limited by apparatus and process, the production efficiency of rubber bag 6 is low, and cost is high.So the upper low cost of the inadaptable society of this air pressure tank, the requirement that can use continuously and be convenient to safeguard for a long time, can't apply widely in various conventional equipments.
Summary of the invention
The present invention aims to provide and a kind ofly meets low cost, can use continuously and be convenient to for a long time the air pressure tank of maintenance requirement.
Technical scheme of the present invention is: a kind of air pressure tank has aqueduct and the shell of hard; The outward flange periphery of this aqueduct upper end is connected with the opening of this shell is airtight; In the inner chamber of this shell, be provided with the conduit of the cylindrical tubular of a hard, the openend of this conduit is connected with the outward flange of this aqueduct, on the diapire of this conduit, have a pore, on the sidewall of this conduit, be provided with water hole near open end, in this conduit, can slide up and down to lay a ball float; Between the inner chamber of shell and catheter outer surface, be full of pressed gas.
The present invention utilizes above-mentioned conduit and ball float with pressed gas in shell, to coordinate special water-pressure regulating device of formation.During higher than the air pressure in shell inner cavity, ducted water enters rapidly the inner chamber of shell, thereby has eliminated the violent change of hydraulic pressure in the pipeline, has prevented from pipeline occurring pinking when the pipeline hydraulic pressure of aqueduct input.If in pipeline, hydraulic pressure reduces, during the water of shell inner cavity transcatheter water hole and aqueduct under the effect of pressed gas enter pipeline.Inner chamber and the water level in conduit cavity of shell also can reduce voluntarily.Ball float, conduit and aqueduct form one way valve, keep the pressed gas in shell inner cavity can not leak.The conduit of hard rubber bag relative to ball float more easily processed, and cost of production is low, and they can damage hardly after assembling, can use continuously for a long time.
In preferred enforcement structure: the outward flange upper surface of described aqueduct is provided with the annulus of an elastic caoutchouc.When this annulus is anhydrous in conduit, coordinate with ball float, play the effect of sealing ring, the sealing aqueduct; The one way valve air-tightness that ball float, conduit and aqueduct form is improved, and the pressed gas in shell inner cavity is more difficult to leak.
In preferred enforcement structure: the sectional area of described water hole is much larger than the sectional area of described pore.In case in aqueduct, hydraulic pressure has the trend that violent change occurs, water in aqueduct can promptly enter suddenly the inner chamber of conduit, ball float is upwards pushed up, due to the sectional area of the water hole sectional area much larger than pore, water in conduit cavity can promptly enter the inner chamber of shell through water hole, and is unlikely to ball float is pushed up the diapire of conduit; Ball float is caused to damage.This structure arrangement is simple, be easy to realize, and effect is remarkable.
Preferred, implement structure: the outward flange periphery of described aqueduct and the opening of described shell are removable airtight the connection; The openend of described conduit is removable being connected with the outward flange of described aqueduct.This form of structure is convenient to safeguard in the future, as the inner chamber of cleaning shell, the elastic caoutchouc annulus on replacing aqueduct outward flange etc.
A kind of air pressure tank of the present invention, conduit and the floating ball structure of employing are simple, are easy to processing and assembling.Realized the goal of the invention that cost is low, can use continuously for a long time.Overall structure of the present invention is simple, and size can not be subjected to the restriction of processing conditions as rubber bag, can make the large-scale air pressure tank supporting with large diameter pipeline.In addition, its each part can be worked under hot conditions, so can be for hot water pipeline.Good reliability of the present invention, cost is low, result of use good, is not only applicable to various checkout equipments, and the normal temperature that also is easy to apply to widely various different sizes supplies water, hot water supplies water, in drainage plant.Thereby have good market prospects.
The accompanying drawing explanation
Fig. 1 is the use state cross-sectional view of existing air pressure tank.
Fig. 2 is the use state cross-sectional view of an embodiment of air pressure tank of the present invention.
Fig. 3 is the partial enlarged drawing of A section in Fig. 2.
Fig. 4 is the cross-sectional view of Fig. 2 embodiment at the pressure regulation state.
Fig. 5 is the cross-sectional view of Fig. 2 embodiment anhydrous state in pipeline.
The specific embodiment
Embodiment of air pressure tank of the present invention is at the cross-section structure of the state of use, as shown in Figures 2 and 3.It has metal aqueduct 4 and shell 5.Outward flange 41 peripheries of aqueduct 4 upper ends are established airtight being screwed together of internal thread 511 of the opening 51 of external screw thread 412 and shell 5.In the inner chamber 52 of shell 5, be provided with the conduit 7 of the cylindrical tubular of a hard, the openend 72 of this conduit 7 is established external screw thread and is screwed and is connected with the internal thread 412 of aqueduct 4 outward flange 41 upper surface edge protuberance sections, on the diapire 75 of this conduit 7, have a pore 76, it can be the combination in a plurality of holes on the sidewall 71 of this conduit 7, to be provided with water hole 73(near open end).The sectional area of water hole 73 is much larger than the sectional area of pore 76.Outward flange 41 upper surfaces of aqueduct 4 upper ends are provided with a flexible annulus 8.In conduit 7, can slide up and down to lay a ball float 9.
Before use, outside high-pressure air source is communicated with conduit 7.Gases at high pressure enter in the inner chamber 52 of shell 5 through the water hole 73 of aqueduct 4, conduit 7.Between the inner chamber 52 of shell shell 5 and conduit 7 external surfaces, be full of pressed gas.Due to the effect of ball float 9 gravity own and the effect of the pressed gas in pore 76 enters conduit 7, the position of ball float 9 in conduit 7 is very near annulus 8.While removing high-pressure air source, ball float 9 falls, is pressed on annulus 8, has sealed aqueduct 4, and the pressed gas in shell 5 inner chambers 52 can not leaked.
During use, aqueduct 4 is arranged on via hole 11 places on pipeline 1 tube wall, is connected with the inner chamber 12 of pipeline 1.Water 3 in pipeline 1 can enter through aqueduct 4 inner chamber 74 of conduit 7, and through water hole 73, enters the inner chamber 52 of shell 5.The water 3 that enters shell 5 inner chambers 52 makes volume-diminished, the increased pressure of gas in shell 5 inner chambers 52, until hydraulic pressure and air pressure balance in shell 5 inner chambers 52.Water 3 in pipeline 1 also just no longer enters the inner chamber 52 of shell 5.
Draining valve 2 on opening conduits 1, the water 3 in pipeline 1 discharges, in pipeline 1, hydraulic pressure reduces, the water 3 of shell 5 inner chambers 52 under the effect of pressed gas in the inner chamber 12 that water hole 73 and the aqueduct 4 of conduit 7 enters pipeline 1.Water level in the inner chamber 52 of shell 5 and conduit 7 inner chambers 74 also can reduce voluntarily.Until hydraulic pressure and air pressure balance in shell 5 inner chambers 52, the water 3 in shell 5 inner chambers 52 and conduit 7 inner chambers 74 also just no longer enters in pipeline 1.
In case draining valve 3 cuts out suddenly, in pipeline 1 inner chamber 12, hydraulic pressure has the trend that violent change occurs, water 3 in pipeline 1 can promptly enter suddenly the inner chamber 74 of conduit 7 through aqueduct 4, ball float 9 is upwards pushed up, due to the sectional area of water hole 73 sectional area much larger than pore 76, water 3 in conduit 7 inner chambers 74 can promptly enter the inner chamber 52 of shell 5 through water hole 73, and is unlikely to the diapire 75 of ball float 9 tops to conduit 7; Ball float 9 is caused to damage; Please refer to Fig. 4.The water 3 that enters shell 5 inner chambers 52 makes volume-diminished, the increased pressure of gas in shell 5 inner chambers 52, until hydraulic pressure and air pressure balance in shell 5 inner chambers 52.Water 3 in pipeline 1 also just no longer enters the inner chamber 52 of shell 5.Thereby eliminated the violent change of hydraulic pressure in pipeline 1, prevented from pinking occurring in pipeline 1.
In case there is no water 3 in the inner chamber 12 of pipeline 1, ball float 9 can fall along with the whereabouts of shell 5 inner chambers 52 and conduit 7 inner chamber 74 middle water levels, until push down annulus 8, seals aqueduct 4 fully; Pressed gas in shell 5 inner chambers 52 does not have at all and leaks, and please refer to Fig. 5.
The above, only be preferred embodiment of the present invention, with this, do not limit scope of the invention process, the equivalence of doing according to technical scheme of the present invention and description changes and modifies, for example with snap fit, substitute being spirally connected of opening part of the outward flange periphery of aqueduct and shell, or being spirally connected etc. of catheter opening end and this aqueduct outward flange, all should belong to the scope that the present invention is contained.
Claims (4)
1. air pressure tank, have aqueduct and the shell of hard; It is characterized in that: the outward flange periphery of this aqueduct upper end is connected with the opening of this shell is airtight; In the inner chamber of this shell, be provided with the conduit of the cylindrical tubular of a hard, the openend of this conduit is connected with the outward flange of this aqueduct, on the diapire of this conduit, have a pore, on the sidewall of this conduit, be provided with water hole near open end, in this conduit, can slide up and down to lay a ball float; Between the inner chamber of shell and catheter outer surface, be full of pressed gas.
2. a kind of air pressure tank according to claim 1, it is characterized in that: the outward flange upper surface of described aqueduct is provided with the annulus of an elastic caoutchouc.
3. a kind of air pressure tank according to claim 1 and 2, it is characterized in that: the sectional area of described water hole is much larger than the sectional area of described pore.
4. a kind of air pressure tank according to claim 1 and 2 is characterized in that: the outward flange periphery of described aqueduct and the opening of described shell are removable airtight the connection; The openend of described conduit is removable being connected with the outward flange of described aqueduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102341627A CN103410198A (en) | 2013-06-13 | 2013-06-13 | Air pressure tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102341627A CN103410198A (en) | 2013-06-13 | 2013-06-13 | Air pressure tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103410198A true CN103410198A (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102341627A Pending CN103410198A (en) | 2013-06-13 | 2013-06-13 | Air pressure tank |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077810A (en) * | 1965-12-30 | 1967-08-02 | Brady Air Controls Inc | Air retaining means for water tanks |
| US4193417A (en) * | 1978-05-05 | 1980-03-18 | Bowman George F | Fluid check valve device |
| US4640309A (en) * | 1983-06-29 | 1987-02-03 | Parker Hannifin Corporation | Pilot operated poppet valve with speed control |
| CN1065310A (en) * | 1991-10-28 | 1992-10-14 | 张武雄 | Fire-fighting, living dual-purpose one automatic water supply equipment |
| CN2229286Y (en) * | 1995-09-30 | 1996-06-19 | 任凤仪 | Double-chamber energy-storing fire-fighting water-supply pressure cylinder |
| CN1177041A (en) * | 1996-09-18 | 1998-03-25 | 武仲建 | Full automatic and constant pressure water supply equipment for household use fire-fighting |
| CN2289826Y (en) * | 1997-03-31 | 1998-09-02 | 马申福 | Self-balance reinflation pressure waterworks |
| CN2641138Y (en) * | 2003-09-16 | 2004-09-15 | 池学聪 | Energy-saving type water tank |
| CN2856692Y (en) * | 2005-12-16 | 2007-01-10 | 上海连成（集团）有限公司 | Gas sealer of pneumatic can |
-
2013
- 2013-06-13 CN CN2013102341627A patent/CN103410198A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077810A (en) * | 1965-12-30 | 1967-08-02 | Brady Air Controls Inc | Air retaining means for water tanks |
| US4193417A (en) * | 1978-05-05 | 1980-03-18 | Bowman George F | Fluid check valve device |
| US4640309A (en) * | 1983-06-29 | 1987-02-03 | Parker Hannifin Corporation | Pilot operated poppet valve with speed control |
| CN1065310A (en) * | 1991-10-28 | 1992-10-14 | 张武雄 | Fire-fighting, living dual-purpose one automatic water supply equipment |
| CN2229286Y (en) * | 1995-09-30 | 1996-06-19 | 任凤仪 | Double-chamber energy-storing fire-fighting water-supply pressure cylinder |
| CN1177041A (en) * | 1996-09-18 | 1998-03-25 | 武仲建 | Full automatic and constant pressure water supply equipment for household use fire-fighting |
| CN2289826Y (en) * | 1997-03-31 | 1998-09-02 | 马申福 | Self-balance reinflation pressure waterworks |
| CN2641138Y (en) * | 2003-09-16 | 2004-09-15 | 池学聪 | Energy-saving type water tank |
| CN2856692Y (en) * | 2005-12-16 | 2007-01-10 | 上海连成（集团）有限公司 | Gas sealer of pneumatic can |
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Application publication date: 20131127 |